@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

:root {
    --bg-primary: #FAF9F6;          /* Clean warm Alabaster white */
    --bg-secondary: #F2F5F3;        /* Very soft sage-gray background */
    --bg-sage-light: #EBF0EC;       /* Warm light sage green background */
    --bg-card: rgba(255, 255, 255, 0.75); /* Crisp frosted white glass */
    --bg-card-hover: #FFFFFF;
    
    --text-primary: #1C221F;        /* Deep charcoal forest green */
    --text-secondary: #58655E;      /* Refined sage-gray text */
    --text-faint: #8E9B93;          /* Dim sage text */
    
    /* Stillpoint Brand Colors */
    --sage-brand: #5A7C64;          /* User's specified sage green */
    --sage-anchor: #5A7C64;         /* Core brand sage green */
    --sage-dark: #415A48;           /* Darker sage for hovers */
    --sage-light: #E2E6E3;          /* Ultra-light sage hairline border */
    --sage-tint: #F7FAF8;           /* Subtle sage tint */
    --sage-glow: rgba(90, 124, 100, 0.18);
    
    --border-muted: 1px solid var(--sage-light);
    --border-glass: 1px solid rgba(255, 255, 255, 0.85);
    
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-serif: var(--font-sans);
    --font-display: var(--font-sans);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --max-width: 1240px;
}

/* Global resets & typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input {
    font-family: inherit;
    background: none;
    border: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--sage-light);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--sage-anchor);
}

/* Selection */
::selection {
    background: var(--sage-anchor);
    color: #FFFFFF;
}

/* Tactile Film Grain Overlay */
.grain {
    z-index: 60;
    pointer-events: none;
    opacity: 0.032;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: 8s steps(10, end) infinite grainAnim;
    position: fixed;
    inset: -100%;
}

@keyframes grainAnim {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-2%, -3%); }
    30% { transform: translate(3%, -2%); }
    50% { transform: translate(-3%, 2%); }
    70% { transform: translate(2%, 3%); }
    90% { transform: translate(-2%, 1%); }
}

@media (prefers-reduced-motion: reduce) {
    .grain {
        animation: none;
    }
}

/* Layout helpers */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8.5rem 0;
    border-bottom: var(--border-muted);
    position: relative;
}

/* Alternating section backgrounds */
#problem, #philosophy, #features, footer {
    background-color: var(--bg-secondary);
}

#approach, #ecosystem, #edu, #impact {
    background-color: var(--bg-primary);
}

/* Ambient Particle Canvases for White Sections */
.section-ambient-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.principles-section, #ecosystem, .edu-section, .impact-section {
    position: relative;
}

.principles-section .principles-container,
#ecosystem .container,
.edu-section .container,
.impact-section .container {
    position: relative;
    z-index: 2;
}

/* Typography styles */
.serif-heading {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.text-meta {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--sage-anchor);
    margin-bottom: 1.5rem;
    display: inline-block;
}

/* Header styling */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: background-color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
    background: rgba(250, 249, 246, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-primary);
}

header.scrolled {
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-muted);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.logo-icon {
    width: 1.75rem;
    height: 1.75rem;
    fill: none;
    stroke: var(--sage-anchor);
    stroke-width: 2.2px;
    transition: var(--transition-fast);
}

.logo:hover .logo-icon {
    filter: drop-shadow(0 0 8px var(--sage-glow));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1.5px;
    background-color: var(--sage-anchor);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-quiet {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 550;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.55rem 1.2rem;
    border: var(--border-muted);
    border-radius: 100px;
    color: var(--text-primary);
    background: transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-quiet:hover {
    background-color: var(--sage-tint);
    border-color: var(--sage-anchor);
    color: var(--sage-anchor);
    box-shadow: 0 2px 12px rgba(90, 124, 100, 0.12);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* Mobile Nav Menu */
.mobile-nav {
    position: fixed;
    top: 5rem;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--bg-primary);
    overflow: hidden;
    z-index: 99;
    border-bottom: 0px solid var(--sage-light);
    transition: var(--transition-smooth);
}

.mobile-nav.open {
    height: calc(100vh - 5rem);
    border-bottom: var(--border-muted);
}

.mobile-nav-inner {
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
}

.mobile-nav-link {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-primary);
}

/* ==========================================================================
   Hero Section (Bouayaben Layout + Stillpoint Brand Palette on White)
   ========================================================================== */
.hero {
    min-height: 100svh;
    background-color: var(--bg-primary);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: clamp(5.5rem, 8vh, 7.5rem);
    padding-bottom: clamp(2rem, 4vh, 3.5rem);
    border-bottom: var(--border-muted);
    overflow: hidden;
    color: var(--text-primary);
    z-index: 1;
    box-sizing: border-box;
}

/* Soft ambient lighting glows */
.hero::before {
    content: '';
    position: absolute;
    width: 550px;
    height: 550px;
    border-radius: 50%;
    filter: blur(130px);
    opacity: 0.18;
    background: radial-gradient(circle, var(--sage-anchor) 0%, transparent 70%);
    top: 5%;
    left: 10%;
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    background: radial-gradient(circle, #DF9E56 0%, transparent 70%);
    bottom: 8%;
    right: 12%;
    pointer-events: none;
    z-index: 0;
}

/* Interactive Canvas Starfield on Light Surface */
.hero-field {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-container {
    width: 100%;
    max-width: 1380px;
    margin: 0 auto;
    padding-inline: clamp(1.5rem, 5vw, 4.5rem);
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Eyebrow Label */
.hero-eyebrow {
    margin-bottom: clamp(0.85rem, 2vh, 1.5rem);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.1s, transform 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.hero.loaded .hero-eyebrow {
    opacity: 1;
    transform: translateY(0);
}

.hero-label {
    font-family: var(--font-sans);
    font-size: clamp(0.72rem, 0.68rem + 0.18vw, 0.82rem);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--sage-anchor);
    font-weight: 600;
    display: inline-block;
}

/* Display Headline */
.hero-headline {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(2.8rem, 1.2rem + 4.8vw, 6.2rem);
    letter-spacing: -0.028em;
    line-height: 1.02;
    color: var(--text-primary);
    margin-bottom: clamp(1.8rem, 3.5vh, 2.8rem);
    max-width: 24ch;
}

/* Emphasis word styled in Brand Sage Green */
.hero-headline em {
    color: var(--sage-anchor);
    font-style: italic;
    font-weight: 600;
    display: inline;
}

/* Masked lines reveal animation */
.hero-line {
    display: block;
    overflow: hidden;
    margin-block-end: -0.06em;
    padding-block-end: 0.06em;
}

.hero-line-inner {
    display: block;
    transform: translateY(115%);
    opacity: 0;
    transition: transform 1.15s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.hero.loaded .hero-line:nth-child(1) .hero-line-inner {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.22s;
}

.hero.loaded .hero-line:nth-child(2) .hero-line-inner {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.38s;
}

/* Hero Footer Area: Subtext on Left, Buttons on Right */
.hero-foot {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
    gap: clamp(2rem, 4vw, 4rem);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1) 0.55s, transform 1s cubic-bezier(0.16, 1, 0.3, 1) 0.55s;
}

.hero.loaded .hero-foot {
    opacity: 1;
    transform: translateY(0);
}

.hero-intro {
    font-family: var(--font-sans);
    font-size: clamp(1.05rem, 0.92rem + 0.38vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.55;
    font-weight: 380;
    text-wrap: pretty;
    max-width: 54ch;
    margin: 0;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    flex-wrap: nowrap;
    flex-shrink: 0;
    padding-bottom: 0.2rem;
}

/* Primary Button */
.hero-btn {
    background-color: var(--sage-anchor);
    color: #FFFFFF;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.85rem 1.65rem;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    box-shadow: 0 10px 25px rgba(90, 124, 100, 0.2);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
    flex-shrink: 0;
}

.hero-btn:hover {
    background-color: var(--sage-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(90, 124, 100, 0.3);
}

.hero-link-btn {
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    padding: 0.4rem 0;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.hero-link-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--sage-anchor);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-link-btn:hover {
    color: var(--sage-anchor);
}

.hero-link-btn:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.link-arrow {
    display: inline-block;
    color: var(--sage-anchor);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-link-btn:hover .link-arrow {
    transform: translateX(4px);
}

/* Standard solid buttons */
.btn-solid {
    background-color: var(--sage-anchor);
    color: #FFFFFF;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 550;
    padding: 0.9rem 1.8rem;
    border-radius: 100px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(90, 124, 100, 0.15);
    transition: var(--transition-smooth);
}

.btn-solid:hover {
    background-color: var(--sage-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(90, 124, 100, 0.25);
}

.btn-secondary {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   Section: The 167 Hours (The Between-Session Gap - MobilityLab Scroll Style)
   ========================================================================== */
.problem-section {
    position: relative;
    padding: clamp(6.5rem, 13vh, 10rem) 0;
    background-color: var(--bg-secondary);
    border-bottom: var(--border-muted);
}

.problem-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.problem-eyebrow-line {
    margin-bottom: clamp(1.8rem, 3.5vh, 2.8rem);
}

.problem-eyebrow {
    font-family: var(--font-sans);
    font-size: clamp(1.15rem, 1.8vw, 1.55rem);
    font-weight: 550;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    display: inline-block;
}

.problem-scroll-text {
    max-width: 960px;
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 4vh, 3.2rem);
}

.scroll-paragraph {
    font-family: var(--font-sans);
    font-size: clamp(1.35rem, 2.2vw, 1.95rem);
    font-weight: 450;
    line-height: 1.45;
    letter-spacing: -0.015em;
    color: var(--text-primary);
}

/* MobilityLab word-by-word scroll illumination */
.scroll-word {
    display: inline;
    color: rgba(28, 34, 31, 0.2);
    transition: color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: color;
}

.scroll-word.active {
    color: var(--text-primary);
}

.scroll-word.highlight-word {
    color: rgba(90, 124, 100, 0.25);
}

.scroll-word.highlight-word.active {
    color: var(--sage-anchor);
    font-weight: 600;
}

.highlight-brand {
    color: var(--sage-anchor);
    font-weight: 600;
}

/* ==========================================================================
   Section: Our Stance (Extend, Never Replace - Principles Stack Scroll Style)
   ========================================================================== */
.principles-section {
    padding-top: clamp(4rem, 8vh, 6rem);
    padding-bottom: 2rem;
    position: relative;
    background-color: var(--bg-primary);
    border-bottom: var(--border-muted);
}

.principles-container {
    position: relative;
}

.principles-label-wrapper {
    height: calc(var(--card-count, 4) * 60vh - 60vh + 160px);
    margin-bottom: calc(60vh - var(--card-count, 4) * 60vh + 2rem);
    pointer-events: none;
}

.principles-sticky-header {
    z-index: 20;
    position: sticky;
    top: calc(28vh - 120px);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.principles-label {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--sage-anchor);
    margin-bottom: 0.15rem;
}

.principles-num-wrapper {
    display: inline-flex;
    align-items: center;
    height: clamp(2.4rem, 4vw, 3.2rem);
    line-height: 1;
    overflow: hidden;
}

.principles-num-prefix {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--sage-anchor);
    letter-spacing: -0.02em;
    line-height: 1;
    display: inline-flex;
    align-items: center;
}

.principles-num-slot {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 100%;
    width: clamp(1.4rem, 2.5vw, 2.2rem);
    overflow: hidden;
}

.principles-num-digit {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--sage-anchor);
    letter-spacing: -0.02em;
    line-height: 1;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(100%);
    opacity: 0;
}

.principles-num-digit.active {
    transform: translateY(0);
    opacity: 1;
}

.principles-num-digit.exit-up {
    transform: translateY(-100%);
    opacity: 0;
}

.principles-num-digit.exit-down {
    transform: translateY(100%);
    opacity: 0;
}

/* Stacking Cards */
.principles-cards {
    position: relative;
}

.principles-card {
    background: var(--bg-primary);
    transform-origin: top center;
    will-change: transform, mask-image, -webkit-mask-image;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 56vh;
    height: auto;
    display: flex;
    position: sticky;
    top: calc(28vh - 10px);
    padding-top: 1.5rem;
    padding-bottom: 5rem;
    box-sizing: border-box;
}

.principles-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.2vw, 3.8rem);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.028em;
    line-height: 1.1;
    margin-bottom: clamp(1.2rem, 2.5vh, 1.8rem);
    max-width: 26ch;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.principles-body {
    font-family: var(--font-sans);
    font-size: clamp(1.15rem, 1.6vw, 1.45rem);
    color: var(--text-secondary);
    max-width: 44ch;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: -0.01em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Word and Character splitting wrappers */
.principles-word {
    display: inline-block;
    white-space: nowrap;
    max-width: 100%;
}

.principles-char {
    display: inline-block;
    will-change: transform, opacity;
}

/* ==========================================================================
   Section: The Ecosystem
   ========================================================================== */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    position: relative;
    z-index: 2;
    width: 100%;
    box-sizing: border-box;
}

.ecosystem-grid::before {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    background-color: rgba(90, 124, 100, 0.08);
    border-radius: 50%;
    filter: blur(100px);
    top: -5%;
    right: 8%;
    z-index: 0;
    pointer-events: none;
}

/* Card base styling */
.eco-card {
    border-radius: 24px;
    padding: 3.5rem 3rem;
    transition: var(--transition-smooth);
    min-height: 280px;
    overflow: hidden;
    position: relative;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    box-shadow: 0 12px 36px rgba(28, 34, 31, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.eco-card:hover {
    transform: translateY(-6px);
    background: #FFFFFF;
    box-shadow: 0 20px 40px rgba(28, 34, 31, 0.08);
}

.eco-card.card-wide {
    grid-column: span 2;
}

.eco-card.card-square {
    grid-column: span 1;
}

.eco-header {
    margin-bottom: 1.5rem;
}

.eco-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--sage-anchor);
    margin-bottom: 0.5rem;
    display: block;
}

.eco-title {
    font-family: var(--font-serif);
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--text-primary);
}

.eco-desc {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

/* ==========================================================================
   Section: The Philosophy
   ========================================================================== */
.philosophy-split {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
    align-items: start;
}

.philosophy-left {
    position: sticky;
    top: 8rem;
}

.philosophy-quote {
    font-family: var(--font-serif);
    font-size: 2.1rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.philosophy-right {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.philosophy-paragraph {
    font-size: 1.12rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

.philosophy-paragraph span {
    color: var(--text-primary);
    font-weight: 550;
}

/* Interactive Framework Drawer */
.framework-accordion {
    border: var(--border-muted);
    border-radius: 18px;
    background-color: #FFFFFF;
    box-shadow: 0 10px 30px rgba(28, 34, 31, 0.03);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.framework-trigger {
    width: 100%;
    text-align: left;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: none;
}

.framework-trigger h4 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.trigger-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.3s ease;
    color: var(--sage-anchor);
}

.framework-accordion.open .trigger-icon {
    transform: rotate(180deg);
}

.framework-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.framework-accordion.open .framework-content {
    max-height: 600px;
}

.framework-content-inner {
    padding: 0 2rem 2rem;
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.7;
    border-top: 1px solid transparent;
    transition: var(--transition-smooth);
}

.framework-accordion.open .framework-content-inner {
    border-top: var(--border-muted);
    padding-top: 1.5rem;
}

.framework-list {
    margin-top: 1rem;
    list-style-type: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.framework-list li {
    position: relative;
    padding-left: 1.5rem;
}

.framework-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--sage-anchor);
    font-weight: 600;
}

.framework-list strong {
    color: var(--text-primary);
}

/* ==========================================================================
   Section: The Education Layer (Dedicated Edu Section)
   ========================================================================== */
.edu-section {
    background-color: var(--bg-primary);
}

.edu-header {
    margin-bottom: clamp(2.5rem, 5vh, 4rem);
}

.edu-heading {
    font-size: clamp(2.3rem, 4.5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.edu-heading em {
    color: var(--sage-anchor);
    font-style: italic;
    font-weight: 600;
}

.edu-sub {
    font-family: var(--font-sans);
    font-size: clamp(1.02rem, 1.4vw, 1.18rem);
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 68ch;
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
    width: 100%;
    box-sizing: border-box;
}

.edu-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 24px;
    padding: 3rem 2.5rem 2.5rem;
    box-shadow: 0 10px 32px rgba(28, 34, 31, 0.03);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.edu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    right: 2rem;
    height: 3px;
    background: var(--sage-anchor);
    opacity: 0;
    border-radius: 0 0 4px 4px;
    transition: opacity 0.3s ease;
}

.edu-card:hover {
    background: #FFFFFF;
    transform: translateY(-4px);
    border-color: rgba(90, 124, 100, 0.4);
    box-shadow: 0 18px 42px rgba(90, 124, 100, 0.1);
}

.edu-card:hover::before {
    opacity: 0.85;
}

.edu-card-badge {
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sage-anchor);
    background: rgba(90, 124, 100, 0.1);
    border: 1px solid rgba(90, 124, 100, 0.2);
    border-radius: 100px;
    padding: 0.35rem 0.9rem;
    margin-bottom: 1.5rem;
}

.edu-card-title {
    font-family: var(--font-serif);
    font-size: clamp(1.45rem, 2vw, 1.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.edu-card-desc {
    font-size: 0.98rem;
    line-height: 1.68;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
}

.edu-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.edu-points li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.edu-check-icon {
    width: 18px;
    height: 18px;
    color: var(--sage-anchor);
    flex-shrink: 0;
    margin-top: 0.18rem;
}

/* Edu Keystone / Structural Alignment Banner */
.edu-keystone {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(242, 245, 243, 0.85) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(90, 124, 100, 0.28);
    border-radius: 24px;
    padding: 3rem 3rem;
    box-shadow: 0 14px 36px rgba(90, 124, 100, 0.06);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.edu-keystone:hover {
    border-color: var(--sage-anchor);
    box-shadow: 0 18px 45px rgba(90, 124, 100, 0.12);
}

.edu-keystone::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(90, 124, 100, 0.1) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

.edu-keystone-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sage-anchor);
    background: rgba(90, 124, 100, 0.1);
    border: 1px solid rgba(90, 124, 100, 0.25);
    border-radius: 100px;
    padding: 0.35rem 0.95rem;
    margin-bottom: 1.25rem;
}

.keystone-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--sage-anchor);
    display: inline-block;
}

.edu-keystone-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.2vw, 1.85rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.edu-keystone-body {
    font-size: 1rem;
    line-height: 1.72;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 85ch;
}

.edu-keystone-body:last-child {
    margin-bottom: 0;
}

.edu-keystone-body strong {
    color: var(--text-primary);
}

/* ==========================================================================
   Section: Features (Built for the Full Clinical Relationship)
   ========================================================================== */
.features-section {
    background-color: var(--bg-secondary);
}

.features-header {
    margin-bottom: clamp(2.5rem, 5vh, 4rem);
}

.features-heading {
    font-size: clamp(2.3rem, 4.5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.features-heading em {
    color: var(--sage-anchor);
    font-style: italic;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.85rem;
    width: 100%;
    box-sizing: border-box;
}

.feature-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 24px;
    padding: 2.35rem 2.25rem;
    box-shadow: 0 10px 32px rgba(28, 34, 31, 0.035);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    position: relative;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.feature-card:hover {
    background: #FFFFFF;
    transform: translateY(-4px);
    border-color: rgba(90, 124, 100, 0.45);
    box-shadow: 0 18px 42px rgba(90, 124, 100, 0.12);
}

.feature-card-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.feature-icon-pill {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(90, 124, 100, 0.12);
    border: 1px solid rgba(90, 124, 100, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.feature-card:hover .feature-icon-pill {
    background: var(--sage-anchor);
    transform: scale(1.05);
}

.feature-icon {
    width: 22px;
    height: 22px;
    color: var(--sage-anchor);
    transition: color 0.3s ease;
}

.feature-card:hover .feature-icon {
    color: #FFFFFF;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: clamp(1.22rem, 1.6vw, 1.45rem);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    line-height: 1.25;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.feature-desc {
    font-family: var(--font-sans);
    font-size: 0.96rem;
    line-height: 1.65;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ==========================================================================
   Section: Practice Impact (Economics & Business Case)
   ========================================================================== */
.impact-section {
    background-color: var(--bg-primary);
    border-bottom: var(--border-muted);
}

.impact-header {
    margin-bottom: clamp(2.5rem, 5vh, 4rem);
    max-width: 820px;
}

.impact-heading {
    font-size: clamp(2.3rem, 4.5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.impact-heading em {
    color: var(--sage-anchor);
    font-style: italic;
    font-weight: 600;
}

.impact-sub {
    font-family: var(--font-sans);
    font-size: clamp(1.02rem, 1.4vw, 1.18rem);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 62ch;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
    width: 100%;
    box-sizing: border-box;
}

.impact-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 24px;
    padding: 2.5rem 2.2rem 2.2rem;
    box-shadow: 0 10px 32px rgba(28, 34, 31, 0.03);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    right: 2rem;
    height: 3px;
    background: var(--sage-anchor);
    opacity: 0;
    border-radius: 0 0 4px 4px;
    transition: opacity 0.3s ease;
}

.impact-card:hover {
    background: #FFFFFF;
    transform: translateY(-4px);
    border-color: rgba(90, 124, 100, 0.4);
    box-shadow: 0 18px 42px rgba(90, 124, 100, 0.1);
}

.impact-card:hover::before {
    opacity: 0.85;
}

.impact-card-top {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.impact-icon-pill {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(90, 124, 100, 0.12);
    border: 1px solid rgba(90, 124, 100, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.impact-card:hover .impact-icon-pill {
    background: var(--sage-anchor);
    transform: scale(1.05);
}

.impact-icon {
    width: 22px;
    height: 22px;
    color: var(--sage-anchor);
    transition: color 0.3s ease;
}

.impact-card:hover .impact-icon {
    color: #FFFFFF;
}

.impact-title {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 1.6vw, 1.45rem);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    line-height: 1.25;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.impact-desc {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.68;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.impact-tag {
    align-self: flex-start;
    font-family: var(--font-sans);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--sage-anchor);
    background: rgba(90, 124, 100, 0.08);
    border: 1px solid rgba(90, 124, 100, 0.18);
    border-radius: 100px;
    padding: 0.4rem 0.95rem;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.impact-card:hover .impact-tag {
    background: rgba(90, 124, 100, 0.14);
    border-color: rgba(90, 124, 100, 0.3);
}

/* Standalone access box form (Placed after quote section) */
.access-box {
    max-width: 620px;
    width: 100%;
    margin: 3.5rem auto 4.5rem;
    text-align: center;
    background: #FFFFFF;
    border: var(--border-muted);
    border-radius: 24px;
    padding: 3.5rem;
    box-shadow: 0 16px 40px rgba(28, 34, 31, 0.05);
    box-sizing: border-box;
}

.access-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.access-sub {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
}

.access-form {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.input-email {
    flex: 1;
    border: var(--border-muted);
    border-radius: 100px;
    padding: 0.9rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition-fast);
    outline: none;
}

.input-email:focus {
    border-color: var(--sage-anchor);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(90, 124, 100, 0.12);
}

.btn-form-submit {
    flex-shrink: 0;
}

.form-message {
    margin-top: 1rem;
    font-size: 0.85rem;
    text-align: left;
    padding-left: 1rem;
    display: none;
}

.form-message.success {
    color: var(--sage-anchor);
    display: block;
}

.form-message.error {
    color: #C05C5C;
    display: block;
}

/* ==========================================================================
   Section: Trust & Safety Strip (Inside Footer Below Early Access CTA)
   ========================================================================== */
.trust-strip-wrapper {
    background-color: var(--bg-secondary);
    border: 1px solid var(--sage-light);
    border-radius: 20px;
    padding: 2.25rem clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: 4.5rem;
    box-shadow: 0 10px 30px rgba(28, 34, 31, 0.02);
}

.trust-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.trust-disclaimer {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 580px;
    line-height: 1.6;
}

.trust-disclaimer span {
    font-weight: 600;
    color: var(--text-primary);
}

.trust-badges {
    display: flex;
    gap: 2.5rem;
    flex-shrink: 0;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
}

.trust-badge-icon {
    width: 1.15rem;
    height: 1.15rem;
    color: var(--sage-anchor);
}

/* ==========================================================================
   Footer Section (Green / Soft Sage Background)
   ========================================================================== */
footer {
    padding: 5.5rem 0 3.5rem;
    background-color: var(--bg-secondary);
    border-top: var(--border-muted);
    position: relative;
}

.trust-strip-wrapper {
    background-color: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 20px;
    padding: 2.25rem clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: 4.5rem;
    box-shadow: 0 10px 30px rgba(28, 34, 31, 0.03);
}

.footer-top {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 4rem;
}

.footer-quote {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: var(--border-muted);
    padding-top: 2rem;
    color: var(--text-faint);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link:hover {
    color: var(--sage-anchor);
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}/* ==========================================================================
   Mobile Responsiveness & Viewport Optimization
   ========================================================================== */
@media (max-width: 992px) {
    .section-padding {
        padding: 5.5rem 0;
    }
    
    .problem-container {
        padding: 0;
    }

    .hero-container {
        padding-inline: 0;
        max-width: 100%;
    }

    .hero-foot {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.85rem;
        align-items: stretch;
    }

    .hero-btn, .hero-link-btn {
        width: 100%;
        justify-content: center;
        box-sizing: border-box;
    }

    .ecosystem-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
        width: 100%;
    }
    
    .eco-card.card-wide, .eco-card.card-square {
        grid-column: 1 / -1;
        width: 100%;
    }
    
    .philosophy-split {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .philosophy-left {
        position: static;
    }
    
    .features-grid, .impact-grid, .edu-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
        width: 100%;
    }
    
    .trust-inner {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .trust-badges {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .section-padding {
        padding: 4.5rem 0;
    }

    header {
        background: rgba(250, 249, 246, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: var(--border-muted);
    }
    
    .nav-links, .btn-quiet {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
        padding: 0.5rem;
        margin-right: -0.5rem;
    }
    
    .hero {
        padding-top: 5.5rem;
        padding-bottom: 2.5rem;
        min-height: 100svh;
        height: auto;
        max-height: none;
        justify-content: center;
        box-sizing: border-box;
        overflow: visible;
        width: 100%;
        max-width: 100vw;
    }

    .hero-container {
        height: auto;
        min-height: auto;
        padding-inline: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-eyebrow {
        margin-bottom: 0.85rem;
        max-width: 100%;
    }

    .hero-label {
        font-size: clamp(0.65rem, 2.8vw, 0.78rem);
        letter-spacing: 0.08em;
        white-space: normal;
        word-break: break-word;
        display: inline-block;
        max-width: 100%;
    }

    .hero-headline {
        font-size: clamp(1.65rem, 6.8vw, 2.35rem);
        line-height: 1.1;
        letter-spacing: -0.02em;
        margin-bottom: 1.25rem;
        width: 100%;
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-line {
        overflow: visible;
        width: 100%;
        max-width: 100%;
        margin-block-end: 0.1em;
        padding-block-end: 0;
        display: block;
    }

    .hero-line-inner {
        display: inline;
        width: 100%;
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-foot {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-intro {
        font-size: clamp(0.92rem, 3.6vw, 1.05rem);
        line-height: 1.55;
        width: 100%;
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 100%;
        gap: 0.75rem;
        align-items: stretch;
        padding-bottom: 0.5rem;
        box-sizing: border-box;
    }
    
    .hero-btn {
        width: 100%;
        max-width: 100%;
        justify-content: center;
        min-height: 48px;
        box-sizing: border-box;
        font-size: 0.95rem;
    }

    .hero-link-btn {
        width: 100%;
        max-width: 100%;
        justify-content: center;
        min-height: 44px;
        box-sizing: border-box;
        text-align: center;
        font-size: 0.95rem;
    }

    /* Stacked Cards (Principles) on Mobile */
    .principles-section {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
        position: relative;
    }

    .principles-sticky-header {
        top: calc(12vh - 10px);
    }

    .principles-card {
        top: 22vh;
        min-height: 44vh;
        height: auto;
        padding-top: 1rem;
        padding-bottom: 3rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .principles-title {
        font-size: clamp(1.5rem, 5.2vw, 2.2rem);
        max-width: 100%;
        overflow-wrap: break-word;
        word-break: normal;
    }

    .principles-body {
        font-size: clamp(0.98rem, 3.4vw, 1.2rem);
        max-width: 100%;
        overflow-wrap: break-word;
    }

    /* Cards responsive padding & sizing */
    .eco-card, .feature-card, .impact-card, .edu-card {
        padding: 2rem 1.4rem;
        border-radius: 20px;
        min-height: auto;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .edu-keystone {
        padding: 2.2rem 1.4rem;
        border-radius: 20px;
    }

    .features-heading, .impact-heading, .edu-heading {
        font-size: clamp(2rem, 6.2vw, 3rem);
    }
    
    .access-box {
        padding: 2.5rem 1.4rem;
        margin: 2.5rem auto 3.5rem;
        border-radius: 20px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .access-form {
        flex-direction: column;
        gap: 0.85rem;
        width: 100%;
        box-sizing: border-box;
    }

    .input-email {
        font-size: 16px; /* Prevents auto-zoom in iOS Safari */
        height: 52px;
        padding: 0 1.4rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    .btn-form-submit {
        width: 100%;
        height: 52px;
        font-size: 1rem;
        box-sizing: border-box;
    }

    .trust-strip-wrapper {
        padding: 2rem 1.4rem;
        border-radius: 18px;
        margin-bottom: 3.5rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section-padding {
        padding: 3.5rem 0;
    }

    .hero {
        padding-top: 5.25rem;
        padding-bottom: 2.25rem;
    }

    .hero-headline {
        font-size: clamp(1.45rem, 6.4vw, 1.95rem);
        line-height: 1.12;
        margin-bottom: 1.1rem;
    }

    .hero-intro {
        font-size: 0.92rem;
        line-height: 1.5;
    }

    .scroll-paragraph {
        font-size: clamp(1.12rem, 4.8vw, 1.4rem);
        line-height: 1.5;
    }

    .principles-card {
        top: 20vh;
        min-height: 46vh;
        padding-bottom: 2.5rem;
    }

    .eco-card, .feature-card, .impact-card, .edu-card {
        padding: 1.75rem 1.15rem;
        border-radius: 18px;
    }

    .edu-keystone {
        padding: 1.75rem 1.15rem;
        border-radius: 18px;
    }

    .access-box {
        padding: 2rem 1.15rem;
        border-radius: 18px;
    }

    .trust-strip-wrapper {
        padding: 1.75rem 1.15rem;
        border-radius: 16px;
    }

    .trust-badges {
        flex-direction: column;
        gap: 0.85rem;
        align-items: center;
    }
}